- Added the (most important) `share` function
- Renamed SMS phonenr param to indicate you can pass multiple by separating by a comma
- Renamed all image params to file, because any file can be shared
- Fixed `shareViaEmail`, because it was an unadjusted copy-paste of `shareViaSMS`
- Added `shareVia`
- Added `canShareViaEmail`
- Fixed `canShareVia` (subject was missing)
- Removed some now obsolete TODO's/notes
Merge pull request #97 from EddyVerbruggen/socialsharing

SocialSharing plugin wrapper fixed and extended